138825012501 has 12 divisors (see below), whose sum is σ = 229171449312. Its totient is φ = 79328578536.

The previous prime is 138825012493. The next prime is 138825012551. The reversal of 138825012501 is 105210528831.

138825012501 is a `hidden beast` number, since 1 + 388 + 25 + 0 + 1 + 250 + 1 = 666.

It is not a de Polignac number, because 138825012501 - 2³ = 138825012493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138825012551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1101785751 + ... + 1101785876.

It is an arithmetic number, because the mean of its divisors is an integer number (19097620776).

Almost surely, 2^138825012501 is an apocalyptic number.

It is an amenable number.

138825012501 is a deficient number, since it is larger than the sum of its proper divisors (90346436811).

138825012501 is a wasteful number, since it uses less digits than its factorization.

138825012501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2203571640 (or 2203571637 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 36.

The spelling of 138825012501 in words is "one hundred thirty-eight billion, eight hundred twenty-five million, twelve thousand, five hundred one".